Improvement in fly-traps



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NITED' sTATEs JOHN PARKER, OF DUBUQUE, IOWA.

IMPRQVEMENT IN FLY-TRAPS.

Specification forming part of Letters Patent No. 109,444, dated Nooember22, 1870.

To all whom 'it may oo'neera Be it known that I, JOHN PARKER, of l')u buque, inthe county ot' Dubuque and State of Iowa, have invented a new and Improved Fly- Trap; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying i drawing, making part otl this specification, in

which Figure l is a side elevation of the improved trap. 'Fig'. 2 is a diametrical section ot' the same. Fig. 3 shows a cover, which is used in connection with the trap. Fig. 4 is a section taken horizontally through the trap, between its bottom gauze ilanges.

Similar letters of reference indicate corresponding parts in the several ligure-s.

The object or' my invention is to so construct a ilytrap of' wire-cloth, that, while the insects have free access to enter the trap, they will not be liable to escape from it again. Also, to provide for readily emptying the trap when ever desired.

The nature ol" my invention consists in a wim-cloth casing, terminating at its upper end in a discharge-nozzle, provided with a removable cover, in combination with internalv ly-arranged concs of wire-cloth, and also with annular wire-cloth flanges arranged inside off said casing at the place l'or the entrance ol' the insects, as will be hereinafter explained.

To'enable others skilled in the art to understand luy invention, l will explain its construction and operation.

In the accompanying drawing, A represents the casing ol' the trap, which is made of wireeloth, of a cyliinlro-conical form, and strengthened by means of hoops and vertical rods D Two ol' the vertical frame-rods' may be extended up to the highest point of the casing, and hooked, as shown in Figs. l and 2, to receive the ends of a bail. lThe upper cont racted end of the casing has a cylindrical nozzle, d, applied to it, which receives a cover, e. `The lower end of the casing A terminates a short distance above the lower ends of the vertical frame-rodstD, by a ring or hoop, g, to the inner part ot' which hoop a liange, l, of wirecloth, is secured. Below this flange t is another, annular llange, t, which is seeured to a hoop,g, that is attached rigidly or movably to thevertical frame-rods D. Between the rings g g and ilanges t' t is a narrow annular passage for the entrance of insects into the lower apartment of the casing A. If the hoop g and its lian ge t are movable up or down, on

rods D, the entrance-passage can be contracted or enlarged atpleasure.

Above t-he upper lila-nge t', and secured within the casing A, is a cone, B, of wire-cloth, terminated at its apex by a nozzle, b, and above this conc is another wirecloth cone, which is also terminated by a nozzle, e. The bases of the cones are of the same diameter as the internal diameter of 'the cylindrical portion of casing A, and these cones aren secured to the easing at their bases. By this arrangement it will be seen that the casing` .is divided interiorly into three apartments communicating` with one another through the nozzles b e of the conical subdivisions B C.

rEhe trap is arranged over a shallow plate containing some saceharine substance. The insects enter the first apartment between the two liauges i', yi, and, in their attempt to escape, they riseinto the apartment between the two cones B C, and also into the apartment be tween thehighest cone U and the conical top ol" the casing, from neither ol'which apart.- ments will they be likely to return into the iirst or lowest one.

lhe llanges t t are intended to prevent, in any great measure, the escape of' flics from the trap through the place of entrance.

These llanges are especially designed for preventing the escape of' a species ol'lly denominated the green lly,77 which is more likely to remain at the bottom olA the trap than the common housevlly.

When a quantity ot'ilies are entrapped they can be easily killed by placing the trap over a blazing fire, kindled with straw or other light substance, or the l'umes ot' burning sulphur maybe employed, for which latter purpose theA cloth sack G, shown by Fig. 3, may be slipped over the trap to conline the fumes within it.

Having killed the ilies, the cover e is removed, and the trap inverted and emptied.

Having described my invention, what I claim as new, and desire to secure by Letters Patent, is-

'lhe wire-cloth case A, provided with a removablecover, z, and divided internally by one or more conical partitions B C, in combination with the flanges t t, atthe place for the entrance of the insects, substantially as described.

Witnesses: JOHN PARKER.

CHRISTOPHER BRADLEY, J osEPH NELsoN.

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